//#include <stdio.h>
//#include <string.h>
//int main()
//{
//	printf("%d\n", strlen("c:\test\121"));
//	return 0;
//}
#include <stdio.h>
#include <string.h>
int main()
{
	char arr[] = { 'b','i','t' };
	
	printf("%d\n", strlen(arr));
	return  0;
}